64934253 has 6 divisors (see below), whose sum is σ = 93793934. Its totient is φ = 43289496.

The previous prime is 64934251. The next prime is 64934263. The reversal of 64934253 is 35243946.

64934253 is a `hidden beast` number, since 649 + 3 + 4 + 2 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50509449 + 14424804 = 7107^2 + 3798^2 .

It is not a de Polignac number, because 64934253 - 2¹ = 64934251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64934251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3607450 + ... + 3607467.

Almost surely, 2^64934253 is an apocalyptic number.

It is an amenable number.

64934253 is a deficient number, since it is larger than the sum of its proper divisors (28859681).

64934253 is a wasteful number, since it uses less digits than its factorization.

64934253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214923 (or 7214920 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 64934253 is about 8058.1792608504. The cubic root of 64934253 is about 401.9369656865.

The spelling of 64934253 in words is "sixty-four million, nine hundred thirty-four thousand, two hundred fifty-three".